“火上浇油”，汉语成语，同火上加油。意思是往火上倒油（pour oil on the flames ），比喻使别人更加愤怒，使事态更加严重。可以翻译为“add fuel to the fire；aggravate the situation，make the situation worse”。

例句：

别把这事告诉她，你只会火上浇油。

Don't tell her that - you'll only make things worse.

当她因为儿子没有做功课而生气的时候，你不该再火上浇油，说他还打破了你家的玻璃。

You shouldn't have told her that her son had broken your windowpane when she was mad with him for not doing his homework.